Which body system provides support and movement?
Muscular
Lymphatic
Skeletal
Endocrine
The Correct Answer is C
A. Muscular: The muscular system generates force for movement and posture, and works with the skeleton to produce motion.
B. Lymphatic: The lymphatic system returns interstitial fluid to circulation and participates in immune defence, not primary support/movement.
C. Skeletal: The skeletal system provides structural support, protects organs, and, together with muscles, enables movement by serving as attachment points.
D. Endocrine: The endocrine system regulates physiological processes via hormones rather than providing structural support or producing movement.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Mutation: A change in the DNA sequence of a gene, not the regulated process of cell death.
B. Cell migration: Movement of cells from one location to another during development or repair, not a form of programmed death.
C. Cell division: The process by which a cell replicates and splits (mitosis/cytokinesis), the opposite of cell elimination.
D. Programmed cell death: Apoptosis is an orderly, regulated process involving caspases, cell shrinkage, membrane blebbing, and DNA fragmentation that eliminates cells without provoking inflammation.
Correct Answer is C
Explanation
A. Reactant: Water can act as a reactant in certain reactions (e.g., hydrolysis), but that role is different from dissolving substances.
B. Buffer: While water influences pH, it does not act as a buffer that resists pH change on its own.
C. Solvent: Water dissolves many ionic and polar compounds due to its polarity, making it the universal solvent for biological systems.
D. Nutrient: Water is an essential nutrient for life, but the property asked about (dissolving substances) defines it as a solvent.
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